Catalyst University
Overview or Oxidation Reactions in OCHEM
Overview or Oxidation Reactions in OCHEM
NASA
NASA's Laser Mission to Measure Trees
The Global Ecosystem Dynamics Investigation (GEDI) is a lidar instrument that sends laser pulses down to Earth, where they penetrate the globe's temperate and tropical forests. The laser beams ricochet off the first thing they hit, which...
NASA
NASA Supercomputing Study Breaks Ground for Tree Mapping, Carbon Research
Scientists from NASA’s Goddard Space Flight Center in Greenbelt, Maryland, and international collaborators demonstrated a new method for mapping the location and size of trees growing outside of forests, discovering surprisingly high...
Curated Video
Windows PowerShell Hands-On Training for Beginners - PowerShell Modules - Introduction and Benefits
This video focuses on the introduction and benefits of PowerShell modules. This clip is from the chapter "PowerShell Modules - Introduction and Benefits" of the series "Windows PowerShell Hands-On Training for Beginners".This section...
Science360
Chemical engineer Robert Coolman - ScienceLives
As a graduate researcher at the University of Massachusetts Amherst, Robert Coolman designs and builds biofuel reactors and studies how the chemicals that make up plants interact with catalysts to form fuel. He uses a combination of...
NASA
Interconnected: The Science of NAAMES
Most people wouldn’t expect microscopic life forms in the ocean to have much to do with Earth’s atmosphere. It turns out that their influence is profound, which is why an extraordinary team of scientists has taken to the sea and the air...
The Wall Street Journal
COP27 Debrief
PwC Chairman Bob Moritz joins the WSJ CEO Council to discuss what was achieved by the politicians, NGO's and business people at COP27, and what it all means for business.
Professor Dave Explains
The Science of Cremation and Memorial Diamond Formation
We all have the right to decide what happens to our bodies when we die, and cremation is becoming a popular option. But what is this exactly? How does it work, and what can one do with the ashes? Also, what are diamonds, and how can we...
Professor Dave Explains
Practice Problem: Ozonolysis Reactions
Ozone isn't just for shielding us from harmful UV radiation! It's a handy-dandy synthetic tool. Try these on for size.
Professor Dave Explains
IIT/JEE Chemistry Practice #3: Empirical/Molecular Formula
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #25: Enthalpy of Formation
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
I WONDER - Where Does Carbon Come From?
This video is answering the question of where does carbon come from.
NASA
Ancient Organics Discovered on Mars
Since arriving at Mars in 2012, NASA's Curiosity rover has drilled into rocks in search of organics - molecules containing carbon. Organics are the building blocks of all life on Earth, though they can also come from non-living sources....
Professor Dave Explains
Practice Problem: Balancing Equations
Who couldn't use a little practice balancing equations? If you've seen my tutorial outlining how to do this, then you're ready for four rapid fire examples to make sure you're ready to do this on your own. Give them a shot!
Professor Dave Explains
Practice Problem: Reaction of a Terminal Alkyne
We've got a terminal alkyne, and we're gonna do some stuff to it. What will we get? What's that Grignard reagent gonna do? Be careful!
Professor Dave Explains
Practice Problem: Hydrogenation, Isomerism, and Cyclohexane Chairs
For this one we need to understand the stereospecificity of hydrogenation over platinum metal, stereochemical relationships, and the relative stability of cyclohexane chair conformations.
Professor Dave Explains
Practice Problem: Grignard Reactions
Grignards are all over the place! Better make sure we can draw the correct products of Grignard reactions. Try these for practice.
Professor Dave Explains
Practice Problem: Four-Reaction Pathway
We are starting with benzene, we do four reactions, and what do we get? See if you can get the right answer!
FuseSchool
What Are Structural Isomers
In this video we will look at some different structures of butane - so they all have 4 carbons but just arranged differently. We will also look at the the 5 different isomers for hexane - they all have 6 carbons (and hence are hexane...
Curated Video
The Cycling of Life: Understanding the Carbon, Water, and Organic Material Cycles in Ecosystems
This video discusses the importance of material recycling in ecosystems, specifically focusing on the carbon and water cycles and the process of decomposition. It explains how plants play a crucial role in the carbon cycle by removing...
Professor Dave Explains
Elemental Analysis: Empirical and Molecular Formulas
There's a thing with carbon and hydrogen in it. But how many of each?! That's the kind of thing a chemist should know. So let's do some elemental analysis!
FuseSchool
What Are Giant Chemical Structures
Learn the basics about the differences between different chemical structures, including giant covalent, giant ionic and metallic structures. There are numerous materials and substances that possess giant chemical structures. Some are...
Curated Video
Balancing Chemical Equations and Understanding Chemical Formulas
This video is a tutorial on balancing chemical equations. The presenter discusses the law of conservation of mass and the importance of balancing equations to determine the ratios of reactants and products. They explain the meaning of...
Professor Dave Explains
Pericyclic Reactions Part 3: Sigmatropic Shifts (Cope Rearrangement, Claisen Rearrangement)
Now that we have sufficiently covered cycloaddition reactions, we can move on to the next type of pericyclic reactions. That would be sigmatropic shifts. This includes important synthetic techniques like the Cope rearrangement, Oxy-Cope...